Valion Bio, Inc. (VBIO) shareholders
Close on Nov 13, 2026Market cap $2.20MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Maier J. Tarlow Joint filing with 3i, LP (9.90%), 3i Management LLC (9.90%) | 2,102,780 | 9.90% | 13D (active) amendment | Aug 20, 2026 |
| Jason Jagessar Joint filing with Murchinson Ltd. (9.99%), Marc Bistricer (9.99%) and 6 more | 440,242 | 9.99% | 13G (passive) | Jun 8, 2026 |
| 3i Management LLC Joint filing with 3i, LP (9.90%), Maier J. Tarlow (9.90%) | 132,671 | 9.90% | 13G (passive) amendment | Sep 4, 2026 |
| 3i, LP Joint filing with 3i Management LLC (9.90%), Maier J. Tarlow (9.90%) | 132,671 | 9.90% | 13D (active) amendment | Sep 3, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of VBIO | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Murchinson Ltd. | 4,600 | 0.02% | $59.79K | New | 0.01% |
| Citadel Advisors LLC | 2,966 | 0.01% | $38.55K | New | 0.00% |
| Sanctuary Advisors, LLC | 2,448 | 0.01% | $31.82K | – | 0.00% |
| Marex Group plc | 2,171 | 0.01% | $28.22K | −200 | 0.00% |
| Virtu Financial LLC | 1,569 | 0.01% | $20.00K | New | 0.00% |
| Geode Capital Management, LLC | 775 | 0.00% | $10.07K | −2,738 | 0.00% |
| Hrt Financial LP | 458 | 0.00% | $5.00K | −1,239 | 0.00% |
| UBS Group AG | 444 | 0.00% | $5.77K | +349 | 0.00% |
| Two Sigma Securities, LLC | 406 | 0.00% | $5.28K | New | 0.00% |
| Tower Research Capital LLC (TRC) | 84 | 0.00% | $1.09K | +61 | 0.00% |
| SBI Securities Co., Ltd. | 1 | 0.00% | $8 | – | 0.00% |
| Caitong International Asset Management Co., Ltd | 0 | 0.00% | $1 | – | 0.00% |
| TD Waterhouse Canada Inc. | 0 | 0.00% | $2 | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 13 | 0M | 0.1% | 5 / 2 | 3 / 1 | 0M | 0M |
| Q1 2026 | 9 | 0M | 0.0% | 5 / 1 | 2 / 3 | 0M | 0M |
| Q4 2025 | 7 | 0M | 0.0% | 2 / 4 | 0 / 1 | 0M | 0M |
| Q3 2025 | 7 | 0M | 0.0% | 3 / 0 | 2 / 0 | 0M | 0M |
| Q2 2025 | 4 | 0M | 0.0% | 2 / 0 | 0 / 0 | 0M | 0M |
| Q1 2025 | 2 | 0M | 0.0% | 2 / 0 | 0 / 0 | 0M | 0M |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Dean Zikria | Interim CEO, Director | – | – | Sep 24, 2026 |
| Michael K. Handley | Chief Executive Officer, Director | 11,030 | 0.05% | May 20, 2026 |
| Jennifer Ernst | Chief Executive Officer, Director | 37,953 | 0.17% | Dec 22, 2025 |
| Lisa G. Wolf | COO & CFO | 27 | 0.00% | Sep 24, 2026 |
| Melinda Lackey | General Counsel & SVP of Legal | – | – | May 4, 2026 |
| Blake Gurfein | Chief Scientific Officer | 119,979 | 0.54% | Dec 20, 2024 |
| Jared David Malbin | Director | – | – | Sep 17, 2026 |
| Thomas Jensen | Director | – | – | Sep 17, 2026 |
| Sheryle Bolton | Director | 10,000 | 0.05% | Apr 20, 2026 |
| Christina Rizopoulos Valauri | Director | 19,000 | 0.09% | Apr 2, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Lisa G. Wolf COO & CFO | Sep 18, 2026 | Tax withholding | −2 | $2.12 | $4 | 27 |
| Lisa G. Wolf COO & CFO | Sep 18, 2026 | Option exercise | +4 | – | – | 29 |
| Lisa G. Wolf Chief Financial Officer | Jun 18, 2026 | Option exercise | +92 | – | – | 618 |
| Michael K. Handley Chief Executive Officer, Director | May 18, 2026 | Option exercise | +2,206 | – | – | 11,030 |
| Sheryle Bolton Director | Apr 15, 2026 | Buy | +10,000 | $1.04 | $10.40K | 10,000 |
| Christina Rizopoulos Valauri Director | Apr 1, 2026 | Buy | +19,000 | $0.95 | $18.05K | 19,000 |
| Lisa G. Wolf Chief Financial Officer | Mar 18, 2026 | Option exercise | +92 | – | – | 526 |
| Michael K. Handley Chief Operating Officer | Feb 18, 2026 | Option exercise | +8,824 | – | – | 8,824 |
| Lisa G. Wolf Chief Financial Officer | Dec 18, 2025 | Option exercise | +736 | – | – | 736 |
| Lisa G. Wolf Chief Financial Officer | Dec 18, 2025 | Tax withholding | −302 | $1.87 | $565 | 434 |
| Jennifer Ernst Chief Executive Officer, Director | Dec 18, 2025 | Option exercise | +14,706 | – | – | 37,953 |
| Jennifer Ernst Chief Executive Officer, Director | Dec 18, 2025 | Tax withholding | −5,262 | $1.87 | $9.84K | 32,691 |
| Jennifer Ernst Chief Executive Officer, Director | Sep 22, 2025 | Award | +22,541 | – | – | 23,247 |
| Kimberly Ann Bambach Interim CFO | Mar 12, 2024 | Award | +7,500 | – | – | 7,500 |
| Karen Drexler Director | May 16, 2022 | Other | −15,111 | – | – | 18,076 |
| Jennifer Ernst Chief Executive Officer, Director, 10% owner | Nov 12, 2021 | Conversion | +1,391 | – | – | 1,172,891 |
| Jennifer Ernst Chief Executive Officer, Director, 10% owner | Nov 12, 2021 | Conversion | +26,986 | – | – | 1,199,877 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Valion Bio's stock actually held short. Settlement fails (shares not delivered on time) peaked at 1,107,492 shares on Aug 17, 2026 over the last 90 days.
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